The answer, of course, is the second. Because "darkened" provides additional information, where "scented" provides the same information as the word "perfumed," later on.

2500 words so far today on "The Ghost Makers," a fantasy story set in the Eternal Sky world that I'm writing for Jonathan Starhan. I'm trying to write this climactic scene, and I think a little conceit I like might have to come out if I can't justify it. Also, this is supposed to be an action scene, and all these fuckers want to do is banter.